APA (7th ed.) Zitazioa

Achebe, C. (1988). Hopes and impediments: Selected essays 1965-1987. Heinemann.

Chicago Style (17th ed.) Zitazioa

Achebe, Chinua. Hopes and Impediments: Selected Essays 1965-1987. London: Heinemann, 1988.

MLA (9th ed.) Zitazioa

Achebe, Chinua. Hopes and Impediments: Selected Essays 1965-1987. Heinemann, 1988.